CN112602970A - Production process of antibacterial medical surgical mask - Google Patents
Production process of antibacterial medical surgical mask Download PDFInfo
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- CN112602970A CN112602970A CN202011519276.2A CN202011519276A CN112602970A CN 112602970 A CN112602970 A CN 112602970A CN 202011519276 A CN202011519276 A CN 202011519276A CN 112602970 A CN112602970 A CN 112602970A
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/1115—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a horizontal pleated pocket
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1192—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/02—Layered materials
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/30—Antimicrobial, e.g. antibacterial
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H13/00—Other non-woven fabrics
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2200/00—Components of garments
- A41D2200/10—Belts
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2500/00—Materials for garments
- A41D2500/30—Non-woven
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention discloses a production process of a bacteriostatic medical surgical mask, belonging to the field of mask production processes, wherein the production process of the bacteriostatic medical surgical mask comprises the bacteriostatic medical surgical mask, the bacteriostatic medical surgical mask comprises an ear band and a fixing piece, and the fixing piece is used for reinforcing the connection between the ear band and a non-woven fabric layer; wherein, add at the last of the medical surgical mask production process of bacterial inhibition type consolidate the ear area with the reinforced process of non-woven fabrics layer, the reinforcement process will the ear area with the one end that the non-woven fabrics layer is connected stretches into in the stationary blade, the stationary blade is punching press after folding to the realization with non-woven fabrics layer is fixed. The invention discloses a production process of a bacteriostatic medical surgical mask, which is improved aiming at the connection process between an ear band and non-woven fabrics in the mask production process, so that the connection strength between the ear band and the non-woven fabrics is enhanced, and the situation that the ear band is broken off from the non-woven fabrics is avoided.
Description
Technical Field
The invention relates to the field of mask production processes, in particular to a production process of a bacteriostatic medical surgical mask.
Background
The mask can play a better protection role in spite of the abuse of novel coronavirus, and the medical surgical mask for daily use can prevent the virus from entering a human body from the mouth and the nose and has a good blocking effect.
The gauze mask contacts the germ very easily at the in-process that uses, consequently need add antibiotic layer in order to reduce the breed of bacterium on the gauze mask, and the gauze mask is before the use and the in-process of using, because the fixed mode between ear area and the non-woven fabrics layer is fixed through gluing, consequently the condition that the ear area breaks off from the non-woven fabrics appears very easily, and this can bring very big danger to the medical personnel who are using the gauze mask well.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a production process of a bacteriostatic medical surgical mask, which is improved aiming at the connection process between an ear band and non-woven fabrics in the mask production process, so that the connection strength between the ear band and the non-woven fabrics is enhanced, and the situation that the ear band is broken off from the non-woven fabrics layer is avoided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a production process of an antibacterial medical surgical mask, which comprises the antibacterial medical surgical mask, wherein the antibacterial medical surgical mask comprises a mask body and seamless blank holders positioned on the periphery of the mask body, the mask body sequentially comprises a non-woven fabric layer, a graphene oxide-nano silver antibacterial layer, a spray-melt filter layer and a skin-friendly inner layer from outside to inside, an adjusting metal sheet is arranged at the top between the non-woven fabric layer and the graphene oxide-nano silver antibacterial layer, ear bands are symmetrically arranged on two sides of the outer protective non-woven fabric layer, and the antibacterial medical surgical mask further comprises fixing sheets which are used for reinforcing the connection between the ear bands and the non-woven fabric layer; wherein, add at the last of the medical surgical mask production process of bacterial inhibition type consolidate the ear area with the reinforced process of non-woven fabrics layer, the reinforcement process will the ear area with the one end that the non-woven fabrics layer is connected stretches into in the stationary blade, the stationary blade is punching press after folding, thereby realize with the non-woven fabrics layer is fixed, forms the bending zone when folding, forms four groups of horizontally arranged's embossed seal after the punching press.
Preferably, the shape of the steel seal is two arcs with different radiuses arranged up and down and two lines respectively connecting two sides of the two arcs.
Preferably, the number of each group of the steel seals is two, and the two steel seals are symmetrically distributed on the fixing plate from top to bottom by taking the horizontal center line of the fixing plate as an axis.
Preferably, each two groups of the steel seals are distributed on the fixing sheet on the same side by taking the central line of the bending area in the vertical direction as an axis; the two groups of steel seals distributed on the same side of the fixing sheet are symmetrically distributed left and right by taking the central line of the fixing sheet in the vertical direction as an axis.
Preferably, one end of the ear strap extending into the fixing piece is provided with a blocking head, and the width of the blocking head is larger than that of the ear strap.
Preferably, a center line of the stopper in a vertical direction coincides with a center line of the fixing piece in the vertical direction.
Preferably, the upper end and the lower end of the stopper are arc-shaped.
Preferably, the production process of the bacteriostatic medical surgical mask further comprises the following steps:
s1, laying the polypropylene non-woven fabric substrate on a metal flat plate;
s2, adding deionized water into graphene oxide, performing ultrasonic treatment to obtain uniform graphene oxide-water dispersion, adding a nano antibacterial filler in a dark place, stirring and reacting at the rotation speed of 1000-1200rpm for 2-2.5h, repeatedly washing with deionized water, filtering, dissolving in a solvent, and stirring until the solution is completely dissolved to obtain a spinning solution with the concentration of 10-15 wt%;
s3, adding the spinning solution into an injection pump, placing a spinneret above a metal flat plate paved with polypropylene non-woven fabrics at 40-60% RH and 40-50 ℃, enabling the spinning solution to reach the spinning solution in the spinneret from the injection pump through a pipeline, spraying graphene oxide-nano silver antibacterial fibers, coating the graphene oxide-nano silver antibacterial fibers on a polypropylene non-woven fabric substrate on the surface of the metal flat plate, and collecting to obtain a graphene oxide-nano silver antibacterial material;
s4, taking down the polypropylene non-woven fabric substrate loaded with the graphene oxide-nano silver antibacterial material from the metal flat plate, and compounding the other layer of polypropylene non-woven fabric on the graphene oxide-nano silver antibacterial material to form a composite structure of a non-woven fabric layer and the graphene oxide-nano silver antibacterial layer;
s5, carrying out vacuum drying on the non-woven fabric layer and the graphene oxide-nano silver antibacterial layer composite structure at the temperature of 30-50 ℃ for 1-2h, and standing for 10-15h after drying;
s6, stacking a non-woven fabric layer, a graphene oxide-nano silver antibacterial layer, a spray-melt filtering layer and a skin-friendly lining layer in sequence, carrying out hot-pressing adhesion on the periphery to obtain a mask body, and pressing a plurality of folds in the horizontal direction;
s7, installing an adjusting metal sheet at the top between the non-woven fabric layer and the graphene oxide-nano silver antibacterial layer, symmetrically installing ear bands on two sides of the non-woven fabric layer to obtain the antibacterial medical surgical mask, and finally reinforcing the connection between the ear bands and the non-woven fabric layer.
The invention has the beneficial effects that:
through the reinforcement of being connected between stationary blade structure pair ear area and the non-woven fabrics layer, avoid appearing the ear area and follow the disconnected condition that falls on the non-woven fabrics layer, guarantee when medical personnel use, can not appear because the ear area fracture makes the problem of medical personnel's straight face virus, guaranteed medical personnel's life safety.
Drawings
Fig. 1 is a schematic structural view of a face of a bacteriostatic medical surgical mask in contact with the face according to an embodiment of the present invention;
FIG. 2 is a schematic view of a side of a surgical mask with bacteriostatic activity facing away from the face, according to an embodiment of the present invention;
fig. 3 is a schematic view of a hierarchical structure of a mask body in a bacteriostatic medical surgical mask according to an embodiment of the present invention;
FIG. 4 is a schematic view of the connection between the fixing pieces and the ear straps when the fixing pieces are closed in the bacteria inhibiting type medical surgical mask according to the embodiment of the present invention;
fig. 5 is a schematic view illustrating the connection between the fixing pieces and the ear straps when the fixing pieces are unfolded in the bacteriostatic medical surgical mask according to the embodiment of the present invention.
In the figure:
1. a mask body; 11. a non-woven fabric layer; 12. a graphene oxide-nano silver antibacterial layer; 13. spraying and melting the filter layer; 14. a skin-friendly inner layer; 2. seamless edge pressing; 3. adjusting the metal sheet; 4. an ear band; 41. a stopper; 5. a fixing sheet; 51. a bending zone; 6. and (7) steel stamping.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 5, the production process of the bacteriostatic medical surgical mask provided in this embodiment includes a bacteriostatic medical surgical mask, the bacteriostatic medical surgical mask includes a mask body 1 and seamless blank holders 2 located around the mask body 1, the mask body 1 sequentially includes, from outside to inside, a non-woven fabric layer 11, a graphene oxide-nano silver antibacterial layer 12, a spray-melt filter layer 13, and a skin-friendly inner layer 14, an adjusting metal sheet 3 is disposed at the top between the non-woven fabric layer 11 and the graphene oxide-nano silver antibacterial layer 12, ear bands 4 are symmetrically disposed on two sides of the outer protective non-woven fabric layer 11, the ear bands 4 are consistent with the fixing method in the prior art, and the bacteriostatic medical surgical mask further includes a fixing sheet 5, the fixing sheet 5 is used for reinforcing the connection between the ear bands 4 and the non-woven fabric layer 11; wherein, add the process of consolidating ear belt 4 and non-woven fabrics layer 11 and consolidating at the end of bacteriostasis type medical surgery gauze mask production process, the process of consolidating stretches into in stationary blade 5 with the one end that ear belt 4 is connected with non-woven fabrics layer 11, the punching press is carried out after the stationary blade 5 is folding, thereby realize and non-woven fabrics layer 11 are fixed, form bending zone 51 when folding, form four groups horizontal arrangement's embossed seal 6 after the punching press, stationary blade 5 passes through the punching press process after folding, upper and lower two-layer stationary blade 5 after will folding is closely knit, make stationary blade 5 firmly fixed with ear belt 4, prevent that ear belt 4 from breaking in the position of the junction with non-woven fabrics layer 11, medical personnel's safety has been ensured.
Further, the shape of the steel seal 6 is two arcs with different radiuses and two lines respectively connecting two sides of the two arcs, the upper and lower sides of the steel seal 6 are different in size, so that when the ear belt 4 is extruded by the steel seal 6, the part of the ear belt 4 which is extruded is an inclined plane, and the ear belt 4 is guaranteed to be balanced with the size of the steel seal 6 in terms of stress.
Further, the number of each group of steel seals 6 is two, and the two steel seals 6 are symmetrically distributed on the fixing piece 5 from top to bottom by taking the horizontal central line of the fixing piece 5 as an axis, so that the size of the steel seal 6 is gradually reduced from the upper side to the lower side of the fixing piece 5 to the middle, and the fastening of the ear belt 4 is ensured.
Furthermore, four groups of horizontally arranged steel seals 6 are arranged, and each two groups of steel seals 6 are distributed on the fixing sheet 5 on the same side by taking the central line of the bending area 51 in the vertical direction as an axis; the two groups of steel seals 6 distributed on the same side fixing piece 5 are symmetrically distributed left and right by taking the central line of the fixing piece 5 in the vertical direction as an axis.
Furthermore, the end of the ear belt 4 extending into the fixing piece 5 is provided with a blocking head 41, the width of the blocking head 41 is larger than that of the ear belt 4, so that if the ear belt 4 falls off from the non-woven fabric layer 11 and falls off from the upper fixing piece 5 and the lower fixing piece 5, the ear belt is blocked by the blocking head 41, so that the ear belt cannot fall off from the clamping of the fixing piece 5, and the life safety of medical personnel is guaranteed.
Further, the central line of the vertical direction of the retaining head 41 coincides with the central line of the vertical direction of the fixing sheet 5, the position of the retaining head 41 is ensured to be located in the center of the fixing sheet 5 on one side of the fixing sheet 5, at the moment, a set of steel seal 6 on the left side of the two sets of steel seals 6 on the fixing sheet 5 on one side is mainly used for strengthening the connection between the ear belt 4 and the non-woven fabric layer 11, a set of steel seal 6 on the right side is mainly used for strengthening the structure of the upper fixing sheet 5 and the lower fixing sheet 5, and therefore the mounting position of the two sets of steel seal 6 on the fixing sheet 5 on one side.
Further, the upper and lower ends of the stopper 41 are arc-shaped.
Further, the production process of the bacteriostatic medical surgical mask further comprises the following steps:
s1, laying the polypropylene non-woven fabric substrate on a metal flat plate;
s2, adding deionized water into graphene oxide, performing ultrasonic treatment to obtain uniform graphene oxide-water dispersion, adding a nano antibacterial filler in a dark place, stirring and reacting at the rotation speed of 1000-1200rpm for 2-2.5h, repeatedly washing with deionized water, filtering, dissolving in a solvent, and stirring until the solution is completely dissolved to obtain a spinning solution with the concentration of 10-15 wt%;
s3, adding the spinning solution into an injection pump, placing a spinneret above a metal flat plate paved with polypropylene non-woven fabrics at 40-60% RH and 40-50 ℃, enabling the spinning solution to reach the spinning solution in the spinneret from the injection pump through a pipeline, spraying graphene oxide-nano silver antibacterial fibers, coating the graphene oxide-nano silver antibacterial fibers on a polypropylene non-woven fabric substrate on the surface of the metal flat plate, and collecting to obtain a graphene oxide-nano silver antibacterial material;
s4, taking down the polypropylene non-woven fabric substrate loaded with the graphene oxide-nano silver antibacterial material from the metal flat plate, and compounding the other layer of polypropylene non-woven fabric on the graphene oxide-nano silver antibacterial material to form a composite structure of a non-woven fabric layer and the graphene oxide-nano silver antibacterial layer;
s5, carrying out vacuum drying on the non-woven fabric layer and the graphene oxide-nano silver antibacterial layer composite structure at the temperature of 30-50 ℃ for 1-2h, and standing for 10-15h after drying;
s6, stacking a non-woven fabric layer, a graphene oxide-nano silver antibacterial layer, a spray-melt filtering layer and a skin-friendly lining layer in sequence, carrying out hot-pressing adhesion on the periphery to obtain a mask body, and pressing a plurality of folds in the horizontal direction;
s7, installing an adjusting metal sheet at the top between the non-woven fabric layer and the graphene oxide-nano silver antibacterial layer, symmetrically installing ear bands at two sides of the non-woven fabric layer to obtain the antibacterial medical surgical mask, and finally reinforcing the connection between the ear bands and the non-woven fabric layer
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (8)
1. The utility model provides a medical surgical mask production technology of bacterial inhibition type, includes the medical surgical mask of bacterial inhibition type, the medical surgical mask of bacterial inhibition type includes gauze mask body (1) and is located gauze mask body (1) seamless blank pressing (2) all around, gauze mask body (1) by outer to interior non-woven fabrics layer (11), oxidation graphite alkene-nanometer silver antibacterial layer (12), spout melting filter layer (13) and close skin nexine (14) in proper order, top between non-woven fabrics layer (11) and oxidation graphite alkene-nanometer silver antibacterial layer (12) is provided with adjusts sheetmetal (3), the bilateral symmetry of outer protection non-woven fabrics layer (11) is provided with ear area (4), its characterized in that:
the antibacterial medical surgical mask further comprises a fixing sheet (5), wherein the fixing sheet (5) is used for reinforcing the connection between the ear belt (4) and the non-woven fabric layer (11);
wherein, add at the last reinforcement of adding of medical surgical mask production process of bacterial inhibition type ear area (4) with the reinforced process of non-woven fabrics layer (11), the reinforcement process will ear area (4) with the one end that non-woven fabrics layer (11) are connected stretches into in stationary blade (5), punching press is carried out after stationary blade (5) is folding, thereby the realization with non-woven fabrics layer (11) are fixed, form bending zone (51) during folding, form four group's horizontally arranged's embossed seal (6) after the punching press.
2. The production process of the bacteriostatic medical surgical mask according to claim 1, wherein the production process comprises the following steps:
the shape of the steel seal (6) is two arcs with different radiuses and sizes arranged up and down and two lines respectively connecting the two sides of the two arcs.
3. The production process of the bacteriostatic medical surgical mask according to claim 2, wherein the production process comprises the following steps:
the number of each group of the steel seal (6) is two, and the two steel seals (6) are vertically and symmetrically distributed on the fixing plate (5) by taking the horizontal center line of the fixing plate (5) as an axis.
4. The production process of the bacteriostatic medical surgical mask according to claim 3, wherein the production process comprises the following steps:
the four groups of horizontally arranged steel seals (6), and each two groups of steel seals (6) take the central line of the bending area (51) in the vertical direction as an axis and are distributed on the fixing pieces (5) on the same side;
the two groups of steel seals (6) distributed on the same side of the fixing piece (5) are symmetrically distributed on the left and right by taking the central line of the fixing piece (5) in the vertical direction as an axis.
5. The production process of the bacteriostatic medical surgical mask according to claim 1, wherein the production process comprises the following steps:
the ear belt (4) stretches into one end of the fixing sheet (5) is provided with a blocking head (41), and the width of the blocking head (41) is larger than that of the ear belt (4).
6. The production process of the bacteriostatic medical surgical mask according to claim 5, wherein the production process comprises the following steps:
the central line of the blocking head (41) in the vertical direction is superposed with the central line of the fixing sheet (5) in the vertical direction.
7. The production process of the bacteriostatic medical surgical mask according to claim 5, wherein the production process comprises the following steps:
the upper end and the lower end of the stop head (41) are arc-shaped.
8. The manufacturing process of the bacteriostatic medical surgical mask according to claim 1, further comprising the following steps:
s1, laying the polypropylene non-woven fabric substrate on a metal flat plate;
s2, adding deionized water into graphene oxide, performing ultrasonic treatment to obtain uniform graphene oxide-water dispersion, adding a nano antibacterial filler in a dark place, stirring and reacting at the rotation speed of 1000-1200rpm for 2-2.5h, repeatedly washing with deionized water, filtering, dissolving in a solvent, and stirring until the solution is completely dissolved to obtain a spinning solution with the concentration of 10-15 wt%;
s3, adding the spinning solution into an injection pump, placing a spinneret above a metal flat plate paved with polypropylene non-woven fabrics at 40-60% RH and 40-50 ℃, enabling the spinning solution to reach the spinning solution in the spinneret from the injection pump through a pipeline, spraying graphene oxide-nano silver antibacterial fibers, coating the graphene oxide-nano silver antibacterial fibers on a polypropylene non-woven fabric substrate on the surface of the metal flat plate, and collecting to obtain a graphene oxide-nano silver antibacterial material;
s4, taking down the polypropylene non-woven fabric substrate loaded with the graphene oxide-nano silver antibacterial material from the metal flat plate, and compounding the other layer of polypropylene non-woven fabric on the graphene oxide-nano silver antibacterial material to form a composite structure of a non-woven fabric layer and the graphene oxide-nano silver antibacterial layer;
s5, carrying out vacuum drying on the non-woven fabric layer and the graphene oxide-nano silver antibacterial layer composite structure at the temperature of 30-50 ℃ for 1-2h, and standing for 10-15h after drying;
s6, stacking a non-woven fabric layer, a graphene oxide-nano silver antibacterial layer, a spray-melt filtering layer and a skin-friendly lining layer in sequence, carrying out hot-pressing adhesion on the periphery to obtain a mask body, and pressing a plurality of folds in the horizontal direction;
s7, installing an adjusting metal sheet at the top between the non-woven fabric layer and the graphene oxide-nano silver antibacterial layer, symmetrically installing ear bands on two sides of the non-woven fabric layer to obtain the antibacterial medical surgical mask, and finally reinforcing the connection between the ear bands and the non-woven fabric layer.
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| CN202011519276.2A CN112602970B (en) | 2020-12-21 | 2020-12-21 | Production process of antibacterial medical surgical mask |
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| CN202011519276.2A CN112602970B (en) | 2020-12-21 | 2020-12-21 | Production process of antibacterial medical surgical mask |
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| JP3212967U (en) * | 2017-07-28 | 2017-10-12 | ユニ・チャーム株式会社 | mask |
| CN208834637U (en) * | 2018-07-26 | 2019-05-07 | 广州欧汇智能标签有限公司 | A kind of radio frequency identification clothing drop |
| CN210747398U (en) * | 2019-08-30 | 2020-06-16 | 浙江九片田科技有限公司 | Formaldehyde purification gauze mask is used to fitment |
| CN212165009U (en) * | 2020-04-16 | 2020-12-18 | 李英德 | Hanging buckle combined mask |
| CN111391383A (en) * | 2020-04-22 | 2020-07-10 | 福建省明辉机械制造有限公司 | Disposable mask production device and production process |
| CN111493410A (en) * | 2020-04-30 | 2020-08-07 | 安徽新虹新材料科技有限公司 | Composite nano antibacterial mask and production process thereof |
| CN111513394A (en) * | 2020-05-15 | 2020-08-11 | 深圳市闪耀智联科技有限公司 | Optic fibre gauze mask of ultraviolet initiative disinfection |
| CN111557518A (en) * | 2020-06-08 | 2020-08-21 | 湖北明尔康卫生防护用品有限公司 | Protective mask and mask machine for production |
| CN111616450A (en) * | 2020-07-13 | 2020-09-04 | 哈尔滨飞诺科技有限责任公司 | Non-medical nano-film filtering mask |
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|---|---|
| CN112602970B (en) | 2023-08-08 |
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